Finding the Fourth Proportional to 12,106.74, 18,166.33 and 4,996.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,106.74 : 18,166.33 = 4,996.23 : x
2. Step 2: Convert to fraction form
   12,106.74/18,166.33 = 4,996.23/x
3. Step 3: Cross multiply
   12,106.74x = 18,166.33 × 4,996.23
4. Step 4: Simplify right side
   12,106.74x = 90,763,150.45
5. Step 5: Solve for x
   x = 90,763,150.45/12,106.74
6. Step 6: Final answer
   x = 7,496.91